<SEC-DOCUMENT>0001103804-18-000028-index.html : 20180309
<SEC-HEADER>0001103804-18-000028.hdr.sgml : 20180309
<ACCEPTANCE-DATETIME>20180309143917
ACCESSION NUMBER:		0001103804-18-000028
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20180309
DATE AS OF CHANGE:		20180309

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			UNITED STATES STEEL CORP
		CENTRAL INDEX KEY:			0001163302
		STANDARD INDUSTRIAL CLASSIFICATION:	STEEL WORKS, BLAST FURNACES  ROLLING MILLS (COKE OVENS) [3312]
		IRS NUMBER:				251897152
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-79377
		FILM NUMBER:		18679687

	BUSINESS ADDRESS:	
		STREET 1:		600 GRANT ST
		STREET 2:		ROOM 1500
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15219-2800
		BUSINESS PHONE:		415 433 2967

	MAIL ADDRESS:	
		STREET 1:		600 GRANT STREET
		CITY:			PITTSBURGH
		STATE:			X1
		ZIP:			15219-2800

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	UNITED STATES STEEL LLC
		DATE OF NAME CHANGE:	20011205

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			VIKING GLOBAL INVESTORS LP
		CENTRAL INDEX KEY:			0001103804
		IRS NUMBER:				134055118
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		55 RAILROAD AVENUE
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
		BUSINESS PHONE:		203-863-5062

	MAIL ADDRESS:	
		STREET 1:		55 RAILROAD AVENUE
		CITY:			GREENWICH
		STATE:			CT
		ZIP:			06830
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>v13gUSSteel.txt
<TEXT>
Document 1 - file: v13gUSSteel.txt

</DOCUMENT>
</SEC-DOCUMENT>